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| 管材內(nèi)徑 |
小平 均內(nèi)徑 |
小內(nèi)層壁厚 |
小層 壓壁厚 |
大螺距 |
小鋼 帶厚度 |
小防腐層厚度 |
| 300 | 294 | 2.5 | 4.0 | 75 | 0.4 | 2.2 |
| 400 | 392 | 3.0 | 4.5 | 85 | 0.4 | 2.2 |
| 500 | 490 | 3.5 | 5.0 | 100 | 0.5 | 2.5 |
| 600 | 588 | 4.0 | 6.0 | 110 | 0.5 | 2.5 |
| 700 | 673 | 4.0 | 6.0 | 115 | 0.5 | 2.5 |
| 800 | 785 | 4.5 | 7.5 | 120 | 0.7 | 3.0 |
| 900 | 885 | 5.0 | 7.5 | 135 | 0.7 | 3.0 |
| 1000 | 985 | 5.0 | 8.0 | 150 | 0.7 | 3.0 |
| 1100 | 1085 | 5.0 | 8.0 | 165 | 0.7 | 3.0 |
| 1200 | 1185 | 5.0 | 8.0 | 180 | 0.7 | 3.0 |
| 1300 | 1285 | 5.0 | 8.0 | 210 | 1.0 | 3.0 |
| 1400 | 1385 | 5.0 | 8.0 | 210 | 1.0 | 3.0 |
| 1500 | 1485 | 5.0 | 8.0 | 220 | 1.0 | 3.0 |
| 1600 | 1585 | 5.0 | 8.0 | 230 | 1.0 | 3.5 |
| 1800 | 1785 | 6.0 | 9.0 | 230 | 1.0 | 3.5 |
| 2000 | 1985 | 6.0 | 9.0 | 235 | 1.0 | 3.5 |
| 2200 | 2185 | 6.0 | 9.0 | 235 | 1.2 | 3.5 |
| 2400 | 2385 | 6.0 | 10.0 | 235 | 1.2 | 3.5 |
| 2600 | 2585 | 6.5 | 10.0 | 240 | 1.2 | 3.5 |